/Engine/Source/Editor/ContentBrowserData/Public/ContentBrowserItemData.h
Invoke the delegate used to finalize the creation of the temporary item, and return the real item.
[FContentBrowserItemData](API\Editor\ContentBrowserData\FContentBrowserItemData) FinalizeItem ( const [FString](API\Runtime\Core\Containers\FString) & InProposedName, [FText](API\Runtime\Core\Internationalization\FText) * OutErrorMsg ) const